blob: 0bc57d5fedb7dee1f19ef3c45b5603d468de5dae [file] [log] [blame]
Simon Glassffe19762016-09-12 23:18:22 -06001config SUPPORT_SPL
2 bool
3
4config SUPPORT_TPL
5 bool
6
Simon Glass7eec8842022-04-30 00:56:52 -06007config SUPPORT_VPL
8 bool
9
B, Ravi4cca5cf2017-05-04 15:45:29 +053010config SPL_DFU_NO_RESET
11 bool
12
Simon Glassffe19762016-09-12 23:18:22 -060013config SPL
Tom Rini2aa5e502022-05-30 17:11:23 -040014 bool "Enable SPL"
Simon Glassffe19762016-09-12 23:18:22 -060015 depends on SUPPORT_SPL
Simon Glassffe19762016-09-12 23:18:22 -060016 help
17 If you want to build SPL as well as the normal image, say Y.
18
Tom Rini2aa5e502022-05-30 17:11:23 -040019menu "SPL configuration options"
20 depends on SPL
21
Tom Rini623d67e2018-02-06 12:15:38 -050022config SPL_FRAMEWORK
23 bool "Support SPL based upon the common SPL framework"
Tom Rini623d67e2018-02-06 12:15:38 -050024 default y
25 help
26 Enable the SPL framework under common/spl/. This framework
27 supports MMC, NAND and YMODEM and other methods loading of U-Boot
28 and the Linux Kernel. If unsure, say Y.
29
Philippe Reynesc4510f42019-09-19 16:18:39 +020030config SPL_FRAMEWORK_BOARD_INIT_F
31 bool "Define a generic function board_init_f"
32 depends on SPL_FRAMEWORK
33 help
34 Define a generic function board_init_f that:
35 - initialize the spl (spl_early_init)
36 - initialize the serial (preloader_console_init)
37 Unless you want to provide your own board_init_f, you should say Y.
38
Simon Goldschmidtc2722832019-05-24 22:07:04 +020039config SPL_SIZE_LIMIT
Simon Glassa8f0c942019-09-25 08:56:28 -060040 hex "Maximum size of SPL image"
Ovidiu Panaitb7232622020-09-25 21:12:56 +030041 default 0x11000 if ARCH_MX6 && !MX6_OCRAM_256KB
42 default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB
Pali Rohárab7f0f62022-09-14 18:48:16 +020043 default 0x30000 if ARCH_MVEBU && ARMADA_32BIT
Ovidiu Panaitb7232622020-09-25 21:12:56 +030044 default 0x0
Simon Goldschmidtc2722832019-05-24 22:07:04 +020045 help
46 Specifies the maximum length of the U-Boot SPL image.
47 If this value is zero, it is ignored.
48
49config SPL_SIZE_LIMIT_SUBTRACT_GD
50 bool "SPL image size check: provide space for global data"
51 depends on SPL_SIZE_LIMIT > 0
52 help
53 If enabled, aligned size of global data is reserved in
54 SPL_SIZE_LIMIT check to ensure such an image does not overflow SRAM
55 if SPL_SIZE_LIMIT describes the size of SRAM available for SPL when
56 pre-reloc global data is put into this SRAM, too.
57
58config SPL_SIZE_LIMIT_SUBTRACT_MALLOC
59 bool "SPL image size check: provide space for malloc() pool before relocation"
60 depends on SPL_SIZE_LIMIT > 0
61 help
62 If enabled, SPL_SYS_MALLOC_F_LEN is reserved in SPL_SIZE_LIMIT check
63 to ensure such an image does not overflow SRAM if SPL_SIZE_LIMIT
64 describes the size of SRAM available for SPL when pre-reloc malloc
65 pool is put into this SRAM, too.
66
67config SPL_SIZE_LIMIT_PROVIDE_STACK
68 hex "SPL image size check: provide stack space before relocation"
69 depends on SPL_SIZE_LIMIT > 0
Tom Rinif18679c2023-08-02 11:09:43 -040070 default 0x0
Simon Goldschmidtc2722832019-05-24 22:07:04 +020071 help
72 If set, this size is reserved in SPL_SIZE_LIMIT check to ensure such
73 an image does not overflow SRAM if SPL_SIZE_LIMIT describes the size
74 of SRAM available for SPL when the stack required before reolcation
75 uses this SRAM, too.
76
Tom Riniabb0f522022-05-16 17:20:26 -040077config SPL_MAX_SIZE
78 hex "Maximum size of the SPL image, excluding BSS"
79 default 0x30000 if ARCH_MX6 && MX6_OCRAM_256KB
80 default 0x1b000 if AM33XX && !TI_SECURE_DEVICE
81 default 0x10000 if ARCH_MX6 && !MX6_OCRAM_256KB
82 default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x10000
83 default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x20000 && !MACH_SUN50I_H616
Andre Przywara3f5873f2022-09-13 01:23:58 +010084 default 0xbfa0 if MACH_SUN50I_H616
Tom Riniabb0f522022-05-16 17:20:26 -040085 default 0x7000 if RCAR_GEN3
86 default 0x5fa0 if SUNXI_SRAM_ADDRESS = 0x0
Joel Stanleyb5a48692022-06-29 16:35:22 +093087 default 0x10000 if ASPEED_AST2600
Peng Fan343f3982022-07-26 16:40:31 +080088 default 0x27000 if IMX8MM && SPL_TEXT_BASE = 0x7E1000
Tom Riniabb0f522022-05-16 17:20:26 -040089 default 0x0
90 help
91 Maximum size of the SPL image (text, data, rodata, and linker lists
92 sections), BSS excluded. When defined, the linker checks that the
93 actual size does not exceed it.
94
95config SPL_PAD_TO
96 hex "Offset to which the SPL should be padded before appending the SPL payload"
97 default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB
98 default 0x11000 if ARCH_MX7 || (ARCH_MX6 && !MX6_OCRAM_256KB)
99 default 0x10000 if ARCH_KEYSTONE
100 default 0x8000 if ARCH_SUNXI && !MACH_SUN50I_H616
Stefan Roese84d7eb22022-10-28 14:46:29 +0200101 default 0x0 if ARCH_MTMIPS
Tom Riniabb0f522022-05-16 17:20:26 -0400102 default TPL_MAX_SIZE if TPL_MAX_SIZE > SPL_MAX_SIZE
103 default SPL_MAX_SIZE
104 help
105 Image offset to which the SPL should be padded before appending the
106 SPL payload. By default, this is defined as CONFIG_SPL_MAX_SIZE, or 0 if
107 CONFIG_SPL_MAX_SIZE is undefined. CONFIG_SPL_PAD_TO must be either
108 0, meaning to append the SPL payload without any padding, or >=
109 CONFIG_SPL_MAX_SIZE.
110
Tom Rini65aa1242022-05-27 10:19:45 -0400111config SPL_HAS_BSS_LINKER_SECTION
112 depends on SPL_FRAMEWORK
113 bool "Use a specific address for the BSS via the linker script"
Stefan Herbrechtsmeier30e73282022-07-14 15:47:33 +0200114 default y if ARCH_SUNXI || ARCH_MX6 || ARCH_OMAP2PLUS || MIPS || RISCV || ARCH_ZYNQMP
Tom Rini65aa1242022-05-27 10:19:45 -0400115
116config SPL_BSS_START_ADDR
117 hex "Link address for the BSS within the SPL binary"
118 depends on SPL_HAS_BSS_LINKER_SECTION
119 default 0x88200000 if (ARCH_MX6 && (MX6SX || MX6SL || MX6UL || MX6ULL)) || ARCH_MX7
120 default 0x18200000 if ARCH_MX6 && !(MX6SX || MX6SL || MX6UL || MX6ULL)
121 default 0x80a00000 if ARCH_OMAP2PLUS
122 default 0x81f80000 if ARCH_SUNXI && MACH_SUNIV
123 default 0x4ff80000 if ARCH_SUNXI && !(MACH_SUN9I || MACH_SUNIV)
124 default 0x2ff80000 if ARCH_SUNXI && MACH_SUN9I
Stefan Herbrechtsmeier30e73282022-07-14 15:47:33 +0200125 default 0x1000 if ARCH_ZYNQMP
Tom Rini65aa1242022-05-27 10:19:45 -0400126
Tom Rini0cb89e72022-05-19 15:09:22 -0400127choice
128 prompt "Enforce SPL BSS limit"
Tom Rini2aa5e502022-05-30 17:11:23 -0400129 depends on !PPC
Tom Rini0cb89e72022-05-19 15:09:22 -0400130 default SPL_BSS_LIMIT
131 help
132 In some platforms we only want to enforce a limit on the size of the
133 BSS in memory. On other platforms we need to enforce a limit on the
134 whole of the memory allocation as we're strictly limited to a small
135 typically non-DRAM location. Finally, other platforms do not enforce
136 a memory limit within SPL.
137
138config SPL_NO_BSS_LIMIT
139 bool "Do not enforce a build time limit on the size of the BSS"
140
141config SPL_BSS_LIMIT
142 bool "Enforce a limit on the size of the BSS only"
143
144config SPL_FOOTPRINT_LIMIT
145 bool "Enforce a limit on the whole of memory allocated to SPL, BSS included"
146
147endchoice
148
149config SPL_BSS_MAX_SIZE
150 hex "Maximum size in memory allocated to the SPL BSS"
151 depends on SPL_BSS_LIMIT
152 default 0x100000 if ARCH_MX6 || RISCV
153 default 0x80000 if ARCH_OMAP2PLUS || ARCH_SUNXI
154 help
155 When non-zero, the linker checks that the actual memory used by SPL
156 from __bss_start to __bss_end does not exceed it.
157
158config SPL_MAX_FOOTPRINT
159 hex "Maximum size in memory allocated to the SPL, BSS included"
160 depends on SPL_FOOTPRINT_LIMIT
161 help
162 When non-zero, the linker checks that the actual memory used by SPL
163 from _start to __bss_end does not exceed it.
164
Simon Goldschmidt0b820852019-07-16 22:30:36 +0200165config SPL_SYS_STACK_F_CHECK_BYTE
166 hex
167 default 0xaa
168 help
169 Constant used to check the stack
170
171config SPL_SYS_REPORT_STACK_F_USAGE
172 depends on SPL_SIZE_LIMIT_PROVIDE_STACK != 0
173 bool "Check and report stack usage in SPL before relocation"
174 help
175 If this option is enabled, the initial SPL stack is filled with 0xaa
176 very early, up to the size configured with
177 SPL_SIZE_LIMIT_PROVIDE_STACK.
178 Later when SPL is done using this initial stack and switches to a
179 stack in DRAM, the actually used size of this initial stack is
180 reported by examining the memory and searching for the lowest
181 occurrence of non 0xaa bytes.
182 This default implementation works for stacks growing down only.
183
Simon Glass58254e02021-07-05 16:32:57 -0600184config SPL_SHOW_ERRORS
185 bool "Show more information when something goes wrong"
Sean Anderson4d9e0f62023-11-08 11:48:35 -0500186 depends on SPL_LIBCOMMON_SUPPORT
Simon Glass58254e02021-07-05 16:32:57 -0600187 help
188 This enabled more verbose error messages and checking when something
189 goes wrong in SPL. For example, it shows the error code when U-Boot
190 cannot be located. This can help to diagnose the problem and figure
191 out a fix, particularly during development.
192
193 This adds a small amount to SPL code size, perhaps 100 bytes.
194
Simon Glass02b87002022-02-08 11:49:48 -0700195config SPL_BINMAN_SYMBOLS
196 bool "Declare binman symbols in SPL"
197 depends on SPL_FRAMEWORK && BINMAN
198 default y
199 help
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300200 This enables use of symbols in SPL which refer to other entries in
201 the same binman image as the SPL. These can be declared with the
202 binman_sym_declare(type, entry, prop) macro and accessed by the
203 binman_sym(type, entry, prop) macro defined in binman_sym.h.
204
205 See tools/binman/binman.rst for a detailed explanation.
206
207config SPL_BINMAN_UBOOT_SYMBOLS
208 bool "Declare binman symbols for U-Boot phases in SPL"
209 depends on SPL_BINMAN_SYMBOLS
Alper Nebi Yasak08418512022-06-18 15:13:12 +0300210 default n if ARCH_IMX8M
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300211 default y
212 help
213 This enables use of symbols in SPL which refer to U-Boot phases,
214 enabling SPL to obtain the location and size of its next phase simply
215 by calling spl_get_image_pos() and spl_get_image_size().
Simon Glass02b87002022-02-08 11:49:48 -0700216
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300217 For this to work, you must have all U-Boot phases in the same binman
218 image, so binman can update SPL with the locations of everything.
Simon Glass02b87002022-02-08 11:49:48 -0700219
Tom Rini0d989c82022-05-30 17:01:22 -0400220source "common/spl/Kconfig.nxp"
Tom Rini6b15c162022-05-13 12:26:35 -0400221
Simon Glasse14f1a22018-11-15 18:44:09 -0700222config HANDOFF
223 bool "Pass hand-off information from SPL to U-Boot proper"
Tom Rini2aa5e502022-05-30 17:11:23 -0400224 depends on BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -0700225 help
226 It is useful to be able to pass information from SPL to U-Boot
227 proper to preserve state that is known in SPL and is needed in U-Boot.
228 Enable this to locate the handoff information in U-Boot proper, early
229 in boot. It is available in gd->handoff. The state state is set up
230 in SPL (or TPL if that is being used).
231
Simon Glasse14f1a22018-11-15 18:44:09 -0700232config SPL_HANDOFF
233 bool "Pass hand-off information from SPL to U-Boot proper"
Simon Glass540ee8d2019-09-25 08:11:17 -0600234 depends on HANDOFF && SPL_BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -0700235 default y
236 help
237 This option enables SPL to write handoff information. This can be
238 used to pass information like the size of SDRAM from SPL to U-Boot
239 proper. Also SPL can receive information from TPL in the same place
240 if that is enabled.
241
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +0200242config SPL_LDSCRIPT
243 string "Linker script for the SPL stage"
Tom Rini49f5d172022-06-08 08:24:37 -0400244 default "arch/arm/cpu/arm926ejs/sunxi/u-boot-spl.lds" if MACH_SUNIV
245 default "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" if ARCH_SUNXI && !MACH_SUNIV && !ARM64
246 default "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" if (ARCH_MX23 || ARCH_MX28) && !SPL_FRAMEWORK
247 default "arch/arm/cpu/arm1136/u-boot-spl.lds" if CPU_ARM1136
248 default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARCH_LS1043A || ARCH_LS1046A || ARCH_LS2080A
249 default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64
250 default "arch/arm/mach-at91/arm926ejs/u-boot-spl.lds" if ARCH_AT91 && CPU_ARM926EJS
251 default "arch/arm/mach-at91/armv7/u-boot-spl.lds" if ARCH_AT91 && CPU_V7A
252 default "arch/arm/mach-omap2/u-boot-spl.lds" if ARCH_MX6 || ARCH_OMAP2PLUS || (ARCH_K3 && !ARM64)
253 default "arch/arm/mach-zynq/u-boot-spl.lds" if ARCH_ZYNQ
254 default "board/samsung/common/exynos-uboot-spl.lds" if ARCH_EXYNOS5 || ARCH_EXYNOS4
255 default "board/davinci/da8xxevm/u-boot-spl-da850evm.lds" if ARCH_DAVINCI
Tom Rini067b9ff2020-03-11 18:11:11 -0400256 default "arch/\$(ARCH)/cpu/u-boot-spl.lds"
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +0200257 help
258 The SPL stage will usually require a different linker-script
259 (as it runs from a different memory region) than the regular
260 U-Boot stage. Set this to the path of the linker-script to
261 be used for SPL.
262
Simon Goldschmidtcc4078c2018-09-30 14:31:53 +0200263config SPL_TEXT_BASE
264 hex "SPL Text Base"
Andrew Davis06a021b2022-07-15 12:31:48 -0500265 default 0x402F4000 if AM43XX
266 default 0x402F0400 if AM33XX
267 default 0x40301350 if OMAP54XX
Andre Przywarad38c8ad2019-05-27 01:45:11 +0100268 default 0x10060 if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN9I
Andre Przywara068962b2022-10-05 17:54:19 +0100269 default 0x20060 if SUN50I_GEN_H6 || SUNXI_GEN_NCAT2
Andre Przywarad38c8ad2019-05-27 01:45:11 +0100270 default 0x00060 if ARCH_SUNXI
Michal Simekad336ea2019-09-11 08:49:31 +0200271 default 0xfffc0000 if ARCH_ZYNQMP
Simon Goldschmidtcc4078c2018-09-30 14:31:53 +0200272 default 0x0
273 help
274 The address in memory that SPL will be running from.
275
Ley Foon Tan48fcc4a2017-05-03 17:13:32 +0800276config SPL_BOARD_INIT
Ley Foon Tan48fcc4a2017-05-03 17:13:32 +0800277 bool "Call board-specific initialization in SPL"
278 help
279 If this option is enabled, U-Boot will call the function
280 spl_board_init() from board_init_r(). This function should be
281 provided by the board.
282
Sean Anderson35f15fe2023-11-08 11:48:43 -0500283config SPL_LOAD_BLOCK
284 bool
285 help
286 Support loading images from block devices. This adds a bl_len member
287 to struct spl_load_info.
288
Philipp Tomsich83ad7022017-06-22 23:38:36 +0200289config SPL_BOOTROM_SUPPORT
Michal Simek0606f9e2021-05-20 13:08:44 +0200290 bool "Support returning to the BOOTROM"
Sean Anderson35f15fe2023-11-08 11:48:43 -0500291 select SPL_LOAD_BLOCK if MACH_IMX
Philipp Tomsich83ad7022017-06-22 23:38:36 +0200292 help
293 Some platforms (e.g. the Rockchip RK3368) provide support in their
294 ROM for loading the next boot-stage after performing basic setup
295 from the SPL stage.
296
297 Enable this option, to return to the BOOTROM through the
298 BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
299 boot device list, if not implemented for a given board)
300
Lukasz Majewski97c995d2018-05-02 16:10:50 +0200301config SPL_BOOTCOUNT_LIMIT
302 bool "Support bootcount in SPL"
Philippe Reynes8d82a202020-12-11 19:56:47 +0100303 depends on SPL_ENV_SUPPORT && !TPL_BOOTCOUNT_LIMIT
Lukasz Majewski97c995d2018-05-02 16:10:50 +0200304 help
305 On some boards, which use 'falcon' mode, it is necessary to check
306 and increment the number of boot attempts. Such boards do not
307 use proper U-Boot for normal boot flow and hence needs those
308 adjustments to be done in the SPL.
309
Andrew F. Davisb4be3c32017-02-16 11:18:38 -0600310config SPL_RAW_IMAGE_SUPPORT
311 bool "Support SPL loading and booting of RAW images"
Pali Rohár3c5ce032022-05-24 10:58:42 +0200312 default n if ARCH_MVEBU
Simon Glass081a45a2021-08-08 12:20:17 -0600313 default n if (ARCH_MX6 && (SPL_MMC || SPL_SATA))
Andrew Davis4c1f4762022-05-04 15:52:26 -0500314 default y
315 depends on !TI_SECURE_DEVICE
Andrew F. Davisb4be3c32017-02-16 11:18:38 -0600316 help
317 SPL will support loading and booting a RAW image when this option
318 is y. If this is not set, SPL will move on to other available
319 boot media to find a suitable image.
320
Andrew Davis360ec6a2022-05-04 15:52:25 -0500321config SPL_LEGACY_IMAGE_FORMAT
Andrew F. Davis74630342017-02-16 11:18:39 -0600322 bool "Support SPL loading and booting of Legacy images"
Pali Rohár3c5ce032022-05-24 10:58:42 +0200323 default n if ARCH_MVEBU
Andrew Davis4c1f4762022-05-04 15:52:26 -0500324 default y if !SPL_LOAD_FIT
325 depends on !TI_SECURE_DEVICE
Andrew F. Davis74630342017-02-16 11:18:39 -0600326 help
327 SPL will support loading and booting Legacy images when this option
328 is y. If this is not set, SPL will move on to other available
329 boot media to find a suitable image.
330
Simon Goldschmidt17140472019-02-10 21:34:37 +0100331config SPL_LEGACY_IMAGE_CRC_CHECK
332 bool "Check CRC of Legacy images"
Andrew Davis360ec6a2022-05-04 15:52:25 -0500333 depends on SPL_LEGACY_IMAGE_FORMAT
Simon Glassefc12232021-07-14 17:05:32 -0500334 select SPL_CRC32
Simon Goldschmidt17140472019-02-10 21:34:37 +0100335 help
336 Enable this to check the CRC of Legacy images. While this increases
337 reliability, it affects both code size and boot duration.
338 If disabled, Legacy images are booted if the image magic and size
339 are correct, without further integrity checks.
340
Sean Andersonefc185e2023-10-14 16:47:45 -0400341config SPL_LOAD_IMX_CONTAINER
342 bool "Enable SPL loading and booting of i.MX8 Containers"
343 depends on SPL
344 help
345 Support booting U-Boot from an i.MX8 container image. If you are not
346 using i.MX8, say 'n'.
347
348config IMX_CONTAINER_CFG
349 string "i.MX8 Container config file"
350 depends on SPL && SPL_LOAD_IMX_CONTAINER
351 help
352 Specify the cfg file for generating the container image which will be
353 loaded by SPL.
354
Simon Glassffe19762016-09-12 23:18:22 -0600355config SPL_SYS_MALLOC_SIMPLE
Tom Rini2aa5e502022-05-30 17:11:23 -0400356 bool "Only use malloc_simple functions in the SPL"
Simon Glassffe19762016-09-12 23:18:22 -0600357 help
358 Say Y here to only use the *_simple malloc functions from
359 malloc_simple.c, rather then using the versions from dlmalloc.c;
360 this will make the SPL binary smaller at the cost of more heap
361 usage as the *_simple malloc functions do not re-use free-ed mem.
362
Tom Rini8a14ac42022-05-26 13:13:21 -0400363config SPL_SHARES_INIT_SP_ADDR
364 bool "SPL and U-Boot use the same initial stack pointer location"
365 depends on (ARM || ARCH_JZ47XX || MICROBLAZE || RISCV) && SPL_FRAMEWORK
Tom Rinied83ed92022-05-26 13:46:32 -0400366 default n if ARCH_SUNXI || ARCH_MX6 || ARCH_MX7
Tom Rini8a14ac42022-05-26 13:13:21 -0400367 default y
368 help
369 In many cases, we can use the same initial stack pointer address for
370 both SPL and U-Boot itself. If you need to specify a different address
371 however, say N here and then set a different value in CONFIG_SPL_STACK.
372
373config SPL_STACK
374 hex "Initial stack pointer location"
375 depends on (ARM || ARCH_JZ47XX || MICROBLAZE || RISCV) && SPL_FRAMEWORK
376 depends on !SPL_SHARES_INIT_SP_ADDR
Tom Rinied83ed92022-05-26 13:46:32 -0400377 default 0x946bb8 if ARCH_MX7
Tom Rini55242432022-05-26 13:36:17 -0400378 default 0x93ffb8 if ARCH_MX6 && MX6_OCRAM_256KB
379 default 0x91ffb8 if ARCH_MX6 && !MX6_OCRAM_256KB
Andre Przywara3f5873f2022-09-13 01:23:58 +0100380 default 0x118000 if MACH_SUN50I_H6
381 default 0x58000 if MACH_SUN50I_H616
Andre Przywara1987b0c2022-09-06 15:59:57 +0100382 default 0x40000 if MACH_SUN8I_R528
Andre Przywara3f5873f2022-09-13 01:23:58 +0100383 default 0x54000 if MACH_SUN50I || MACH_SUN50I_H5
384 default 0x18000 if MACH_SUN9I
385 default 0x8000 if ARCH_SUNXI
Tom Rini8a14ac42022-05-26 13:13:21 -0400386 help
387 Address of the start of the stack SPL will use before SDRAM is
388 initialized.
389
Simon Glassffe19762016-09-12 23:18:22 -0600390config SPL_STACK_R
Simon Glassffe19762016-09-12 23:18:22 -0600391 bool "Enable SDRAM location for SPL stack"
392 help
393 SPL starts off execution in SRAM and thus typically has only a small
394 stack available. Since SPL sets up DRAM while in its board_init_f()
395 function, it is possible for the stack to move there before
396 board_init_r() is reached. This option enables a special SDRAM
397 location for the SPL stack. U-Boot SPL switches to this after
398 board_init_f() completes, and before board_init_r() starts.
399
400config SPL_STACK_R_ADDR
401 depends on SPL_STACK_R
402 hex "SDRAM location for SPL stack"
Tom Rinic37e0cf2017-09-17 11:44:49 -0400403 default 0x82000000 if ARCH_OMAP2PLUS
Simon Glassffe19762016-09-12 23:18:22 -0600404 help
405 Specify the address in SDRAM for the SPL stack. This will be set up
406 before board_init_r() is called.
407
408config SPL_STACK_R_MALLOC_SIMPLE_LEN
409 depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE
410 hex "Size of malloc_simple heap after switching to DRAM SPL stack"
Neha Malcom Francis0f1326e2023-01-11 18:11:23 +0530411 default 0x400000 if ARCH_K3 && ARM64
Simon Glassffe19762016-09-12 23:18:22 -0600412 default 0x100000
413 help
414 Specify the amount of the stack to use as memory pool for
415 malloc_simple after switching the stack to DRAM. This may be set
416 to give board_init_r() a larger heap then the initial heap in
417 SRAM which is limited to SYS_MALLOC_F_LEN bytes.
418
419config SPL_SEPARATE_BSS
Simon Glassffe19762016-09-12 23:18:22 -0600420 bool "BSS section is in a different memory region from text"
421 help
422 Some platforms need a large BSS region in SPL and can provide this
423 because RAM is already set up. In this case BSS can be moved to RAM.
424 This option should then be enabled so that the correct device tree
425 location is used. Normally we put the device tree at the end of BSS
426 but with this option enabled, it goes at _image_binary_end.
427
Simon Glass67e3fca2023-09-26 08:14:16 -0600428config SPL_SYS_MALLOC
Tom Rini166e3222022-05-27 12:48:32 -0400429 bool "Enable malloc pool in SPL"
430 depends on SPL_FRAMEWORK
431
Simon Glass67e3fca2023-09-26 08:14:16 -0600432config SPL_HAS_CUSTOM_MALLOC_START
Tom Rini166e3222022-05-27 12:48:32 -0400433 bool "For the SPL malloc pool, define a custom starting address"
Simon Glass67e3fca2023-09-26 08:14:16 -0600434 depends on SPL_SYS_MALLOC
Tom Rini166e3222022-05-27 12:48:32 -0400435
Simon Glass67e3fca2023-09-26 08:14:16 -0600436config SPL_CUSTOM_SYS_MALLOC_ADDR
Tom Rini166e3222022-05-27 12:48:32 -0400437 hex "SPL malloc addr"
Simon Glass67e3fca2023-09-26 08:14:16 -0600438 depends on SPL_HAS_CUSTOM_MALLOC_START
Tom Rini166e3222022-05-27 12:48:32 -0400439
Simon Glass67e3fca2023-09-26 08:14:16 -0600440config SPL_SYS_MALLOC_SIZE
Tom Rini166e3222022-05-27 12:48:32 -0400441 hex "Size of the SPL malloc pool"
Simon Glass67e3fca2023-09-26 08:14:16 -0600442 depends on SPL_SYS_MALLOC
Tom Rini166e3222022-05-27 12:48:32 -0400443 default 0x100000
444
Simon Glass5b21b342021-03-15 17:25:35 +1300445config SPL_READ_ONLY
446 bool
447 depends on SPL_OF_PLATDATA
448 # Bind cannot be supported because the udevice structs are in read-only
449 # memory so we cannot update the linked lists.
450 select SPL_OF_PLATDATA_NO_BIND
451 select SPL_OF_PLATDATA_RT
452 help
453 Some platforms (e.g. x86 Apollo Lake) load SPL into a read-only
454 section of memory. This means that of-platdata must make a copy (in
455 writeable memory) of anything it wants to modify, such as
456 device-private data.
457
Simon Glass6324cce2018-11-15 18:43:57 -0700458config SPL_BANNER_PRINT
459 bool "Enable output of the SPL banner 'U-Boot SPL ...'"
460 default y
461 help
462 If this option is enabled, SPL will print the banner with version
Thomas Hebbfd37f242019-11-13 18:18:03 -0800463 info. Disabling this option could be useful to reduce SPL boot time
Simon Glass6324cce2018-11-15 18:43:57 -0700464 (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud).
465
Andreas Dannenbergaa4ad4b2019-06-04 17:55:45 -0500466config SPL_EARLY_BSS
467 depends on ARM && !ARM64
468 bool "Allows initializing BSS early before entering board_init_f"
469 help
470 On some platform we have sufficient memory available early on to
471 allow setting up and using a basic BSS prior to entering
472 board_init_f. Activating this option will also de-activate the
473 clearing of BSS during the SPL relocation process, thus allowing
474 to carry state from board_init_f to board_init_r by way of BSS.
475
Simon Glassf481ab12016-09-24 18:19:56 -0600476config SPL_DISPLAY_PRINT
Simon Glassf481ab12016-09-24 18:19:56 -0600477 bool "Display a board-specific message in SPL"
478 help
479 If this option is enabled, U-Boot will call the function
480 spl_display_print() immediately after displaying the SPL console
481 banner ("U-Boot SPL ..."). This function should be provided by
482 the board.
483
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200484config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
485 bool "MMC raw mode: by sector"
Fabio Estevam22a1fab2018-06-11 15:08:05 -0300486 default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER || \
487 ARCH_MX6 || ARCH_MX7 || \
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200488 ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \
489 ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \
Bin Menge9ead4a2021-03-17 11:10:58 +0800490 OMAP44XX || OMAP54XX || AM33XX || AM43XX || \
Green Wan2e5da522021-05-27 06:52:13 -0700491 TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
Sean Anderson35f15fe2023-11-08 11:48:43 -0500492 select SPL_LOAD_BLOCK if SPL_MMC
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200493 help
494 Use sector number for specifying U-Boot location on MMC/SD in
495 raw mode.
496
497config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
498 hex "Address on the MMC to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000499 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
Andre Przywarad42cbee2021-01-11 21:11:39 +0100500 default 0x40 if ARCH_SUNXI
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200501 default 0x75 if ARCH_DAVINCI
Fabio Estevam22a1fab2018-06-11 15:08:05 -0300502 default 0x8a if ARCH_MX6 || ARCH_MX7
Kever Yang6cc131d2017-11-02 15:16:34 +0800503 default 0x100 if ARCH_UNIPHIER
Pali Rohárcf97b822021-07-23 11:14:29 +0200504 default 0x0 if ARCH_MVEBU
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200505 default 0x200 if ARCH_SOCFPGA || ARCH_AT91
506 default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || OMAP44XX || \
Lokesh Vutla9bdec002018-08-27 15:57:08 +0530507 OMAP54XX || AM33XX || AM43XX || ARCH_K3
Kever Yang6cc131d2017-11-02 15:16:34 +0800508 default 0x4000 if ARCH_ROCKCHIP
Green Wan2e5da522021-05-27 06:52:13 -0700509 default 0x822 if TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200510 help
511 Address on the MMC to load U-Boot from, when the MMC is being used
512 in raw mode. Units: MMC sectors (1 sector = 512 bytes).
513
Baruch Siachfef81be2020-01-15 09:08:08 +0200514config SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET
515 hex "U-Boot main hardware partition image offset"
516 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
Andre Przywarad42cbee2021-01-11 21:11:39 +0100517 default 0x10 if ARCH_SUNXI
Baruch Siachfef81be2020-01-15 09:08:08 +0200518 default 0x0
519 help
520 On some platforms SPL location depends on hardware partition. The ROM
521 code skips the MBR sector when loading SPL from main hardware data
522 partition. This adds offset to the main U-Boot image. Set this symbol
523 to the number of skipped sectors.
524
525 If unsure, leave the default.
526
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800527config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
528 bool "MMC Raw mode: by partition"
Sean Anderson35f15fe2023-11-08 11:48:43 -0500529 select SPL_LOAD_BLOCK if SPL_MMC
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800530 help
531 Use a partition for loading U-Boot when using MMC/SD in raw mode.
532
533config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
534 hex "Partition to use to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000535 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800536 default 1
537 help
538 Partition on the MMC to load U-Boot from when the MMC is being
539 used in raw mode
540
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800541config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
542 bool "MMC raw mode: by partition type"
Tom Rini3c82f982017-05-22 19:21:57 +0000543 depends on DOS_PARTITION && SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800544 help
545 Use partition type for specifying U-Boot partition on MMC/SD in
546 raw mode. U-Boot will be loaded from the first partition of this
547 type to be found.
548
549config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE
550 hex "Partition Type on the MMC to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000551 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800552 help
553 Partition Type on the MMC to load U-Boot from, when the MMC is being
554 used in raw mode.
555
Anatolij Gustschin137b8732019-10-18 21:38:33 +0200556config SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
557 bool "Override eMMC EXT_CSC_PART_CONFIG by user defined partition"
558 depends on SUPPORT_EMMC_BOOT
559 help
560 eMMC boot partition is normally configured by the bits of the EXT_CSD
561 register (EXT_CSC_PART_CONFIG), BOOT_PARTITION_ENABLE field. In some
562 cases it might be required in SPL to load the image from different
563 partition than the partition selected by EXT_CSC_PART_CONFIG register.
564 Enable this option if you intend to use an eMMC boot partition other
565 then selected via EXT_CSC_PART_CONFIG register and specify the custom
566 partition number by the CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
567 option.
568
569config SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
570 int "Number of the eMMC boot partition to use"
571 depends on SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
572 default 1
573 help
574 eMMC boot partition number to use when the eMMC in raw mode and
575 the eMMC EXT_CSC_PART_CONFIG selection should be overridden in SPL
576 by user defined partition number.
577
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100578config SPL_FIT_IMAGE_TINY
579 bool "Remove functionality from SPL FIT loading to reduce size"
580 depends on SPL_FIT
Jernej Skrabecda8ae612021-01-11 21:11:34 +0100581 default y if MACH_SUN50I || MACH_SUN50I_H5 || SUN50I_GEN_H6
Peng Fan686a45a2022-07-26 16:40:45 +0800582 default y if ARCH_IMX8M || ARCH_IMX9
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100583 help
584 Enable this to reduce the size of the FIT image loading code
585 in SPL, if space for the SPL binary is very tight.
586
Samuel Hollande646f512020-10-21 21:12:13 -0500587 This skips the recording of each loaded payload
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100588 (i.e. loadable) into the FDT (modifying the loaded FDT to
589 ensure this information is available to the next image
590 invoked).
591
Simon Glassde3fd532021-08-08 12:20:15 -0600592config SPL_CACHE
Rick Chen8b4ee5f2019-11-14 13:52:26 +0800593 bool "Support CACHE drivers"
594 help
595 Enable CACHE drivers in SPL. These drivers can keep data so that
596 future requests for that data can be served faster. Enable this option
597 to build the drivers in drivers/cache as part of an SPL build.
598
Simon Glass2f002162021-03-15 18:11:18 +1300599config SPL_CPU
Simon Glasseca677f2017-01-16 07:03:29 -0700600 bool "Support CPU drivers"
Simon Glasseca677f2017-01-16 07:03:29 -0700601 help
602 Enable this to support CPU drivers in SPL. These drivers can set
603 up CPUs and provide information about them such as the model and
604 name. This can be useful in SPL since setting up the CPUs earlier
605 may improve boot performance. Enable this option to build the
606 drivers in drivers/cpu as part of an SPL build.
607
Simon Glassa8437ce2021-07-10 21:14:25 -0600608config SPL_CRYPTO
Simon Glass1e3911a2016-09-13 07:05:23 -0600609 bool "Support crypto drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600610 help
611 Enable crypto drivers in SPL. These drivers can be used to
612 accelerate secure boot processing in secure applications. Enable
613 this option to build the drivers in drivers/crypto as part of an
614 SPL build.
615
Vignesh Raghavendra3d2ba9c2019-11-15 17:00:41 +0530616config SPL_DMA
Simon Glass1e3911a2016-09-13 07:05:23 -0600617 bool "Support DMA drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600618 help
619 Enable DMA (direct-memory-access) drivers in SPL. These drivers
620 can be used to handle memory-to-peripheral data transfer without
621 the CPU moving the data. Enable this option to build the drivers
622 in drivers/dma as part of an SPL build.
623
Simon Glass284cb9c2021-07-10 21:14:31 -0600624config SPL_DRIVERS_MISC
Simon Glass1e3911a2016-09-13 07:05:23 -0600625 bool "Support misc drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600626 help
627 Enable miscellaneous drivers in SPL. These drivers perform various
628 tasks that don't fall nicely into other categories, Enable this
629 option to build the drivers in drivers/misc as part of an SPL
630 build, for those that support building in SPL (not all drivers do).
631
632config SPL_ENV_SUPPORT
633 bool "Support an environment"
Simon Glass1e3911a2016-09-13 07:05:23 -0600634 help
635 Enable environment support in SPL. The U-Boot environment provides
636 a number of settings (essentially name/value pairs) which can
637 control many aspects of U-Boot's operation. Normally this is not
638 needed in SPL as it has a much simpler task with less
639 configuration. But some boards use this to support 'Falcon' boot
640 on EXT2 and FAT, where SPL boots directly into Linux without
Simon Glass64b723f2017-08-03 12:22:12 -0600641 starting U-Boot first. Enabling this option will make env_get()
Simon Glass6a38e412017-08-03 12:22:09 -0600642 and env_set() available in SPL.
Simon Glass1e3911a2016-09-13 07:05:23 -0600643
B, Ravie94b0242016-09-28 14:46:18 +0530644config SPL_SAVEENV
645 bool "Support save environment"
Tom Rini3c82f982017-05-22 19:21:57 +0000646 depends on SPL_ENV_SUPPORT
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100647 select SPL_MMC_WRITE if ENV_IS_IN_MMC
B, Ravie94b0242016-09-28 14:46:18 +0530648 help
649 Enable save environment support in SPL after setenv. By default
650 the saveenv option is not provided in SPL, but some boards need
651 this support in 'Falcon' boot, where SPL need to boot from
652 different images based on environment variable set by OS. For
653 example OS may set "reboot_image" environment variable to
654 "recovery" inorder to boot recovery image by SPL. The SPL read
655 "reboot_image" and act accordingly and change the reboot_image
Shyam Sainiefe757c2018-06-07 19:47:19 +0530656 to default mode using setenv and save the environment.
B, Ravie94b0242016-09-28 14:46:18 +0530657
Simon Glasse5cd9a42021-07-10 21:14:26 -0600658config SPL_ETH
Simon Glass1e3911a2016-09-13 07:05:23 -0600659 bool "Support Ethernet"
660 depends on SPL_ENV_SUPPORT
Simon Glass1d926242021-08-08 12:20:31 -0600661 depends on SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -0600662 help
663 Enable access to the network subsystem and associated Ethernet
664 drivers in SPL. This permits SPL to load U-Boot over an Ethernet
665 link rather than from an on-board peripheral. Environment support
666 is required since the network stack uses a number of environment
Simon Glass041a0ac2021-08-08 12:20:30 -0600667 variables. See also SPL_NET.
Simon Glass1e3911a2016-09-13 07:05:23 -0600668
Tien Fong Chee6091dd12019-01-23 14:20:05 +0800669config SPL_FS_EXT4
Simon Glass1e3911a2016-09-13 07:05:23 -0600670 bool "Support EXT filesystems"
Sean Anderson01349c12023-10-14 16:47:49 -0400671 select SPL_CRC16 if EXT4_WRITE
Simon Glass1e3911a2016-09-13 07:05:23 -0600672 help
673 Enable support for EXT2/3/4 filesystems with SPL. This permits
674 U-Boot (or Linux in Falcon mode) to be loaded from an EXT
675 filesystem from within SPL. Support for the underlying block
676 device (e.g. MMC or USB) must be enabled separately.
677
Joao Marcos Costa29da3742020-07-30 15:33:47 +0200678config SPL_FS_SQUASHFS
679 bool "Support SquashFS filesystems"
680 select FS_SQUASHFS
681 help
682 Enable support for SquashFS filesystems with SPL. This permits
683 U-Boot (or Linux in Falcon mode) to be loaded from a SquashFS
684 filesystem from within SPL. Support for the underlying block
685 device (e.g. MMC or USB) must be enabled separately.
686
Tien Fong Chee6fd0a712019-01-23 14:20:03 +0800687config SPL_FS_FAT
Simon Glass1e3911a2016-09-13 07:05:23 -0600688 bool "Support FAT filesystems"
Sekhar Nori1909a7b2017-06-02 17:53:59 +0530689 select FS_FAT
Sean Anderson35f15fe2023-11-08 11:48:43 -0500690 select SPL_LOAD_BLOCK
Simon Glass1e3911a2016-09-13 07:05:23 -0600691 help
692 Enable support for FAT and VFAT filesystems with SPL. This
693 permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT
694 filesystem from within SPL. Support for the underlying block
695 device (e.g. MMC or USB) must be enabled separately.
696
Tom Rinia4f2ab92022-05-13 17:12:35 -0400697config SPL_FS_LOAD_PAYLOAD_NAME
698 string "File to load for U-Boot from the filesystem"
Kautuk Consula3a5d682022-12-07 17:12:36 +0530699 depends on SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS || SPL_SEMIHOSTING
Tom Rinia4f2ab92022-05-13 17:12:35 -0400700 default "tispl.bin" if SYS_K3_SPL_ATF
701 default "u-boot.itb" if SPL_LOAD_FIT
702 default "u-boot.img"
703 help
704 Filename to read to load U-Boot when reading from filesystem.
705
706config SPL_FS_LOAD_KERNEL_NAME
707 string "File to load for the OS kernel from the filesystem"
708 depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
709 default "uImage"
710 help
711 Filename to read to load for the OS kernel when reading from the
712 filesystem.
713
714config SPL_FS_LOAD_ARGS_NAME
715 string "File to load for the OS kernel argument parameters from the filesystem"
716 depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
717 default "args"
718 help
719 Filename to read to load for the OS kernel argument parameters from
720 the filesystem.
721
Tien Fong Chee87fda0c2019-01-23 14:20:04 +0800722config SPL_FAT_WRITE
723 bool "Support write for FAT filesystems"
724 help
725 Enable write support for FAT and VFAT filesystems with SPL.
726 Support for the underlying block device (e.g. MMC or USB) must be
727 enabled separately.
728
Michal Simek1aab1142020-09-09 14:41:56 +0200729config SPL_FPGA
Simon Glass1e3911a2016-09-13 07:05:23 -0600730 bool "Support FPGAs"
Simon Glass1e3911a2016-09-13 07:05:23 -0600731 help
732 Enable support for FPGAs in SPL. Field-programmable Gate Arrays
733 provide software-configurable hardware which is typically used to
734 implement peripherals (such as UARTs, LCD displays, MMC) or
735 accelerate custom processing functions, such as image processing
736 or machine learning. Sometimes it is useful to program the FPGA
737 as early as possible during boot, and this option can enable that
738 within SPL.
739
Simon Glass035939e2021-07-10 21:14:30 -0600740config SPL_GPIO
Simon Glass592d5b92018-11-15 18:43:55 -0700741 bool "Support GPIO in SPL"
Simon Glass1e3911a2016-09-13 07:05:23 -0600742 help
743 Enable support for GPIOs (General-purpose Input/Output) in SPL.
744 GPIOs allow U-Boot to read the state of an input line (high or
745 low) and set the state of an output line. This can be used to
746 drive LEDs, control power to various system parts and read user
747 input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED,
748 for example. Enable this option to build the drivers in
749 drivers/gpio as part of an SPL build.
750
Simon Glassbccfc2e2021-07-10 21:14:36 -0600751config SPL_I2C
Simon Glass1e3911a2016-09-13 07:05:23 -0600752 bool "Support I2C"
Simon Glass1e3911a2016-09-13 07:05:23 -0600753 help
754 Enable support for the I2C (Inter-Integrated Circuit) bus in SPL.
755 I2C works with a clock and data line which can be driven by a
756 one or more masters or slaves. It is a fairly complex bus but is
757 widely used as it only needs two lines for communication. Speeds of
758 400kbps are typical but up to 3.4Mbps is supported by some
759 hardware. I2C can be useful in SPL to configure power management
760 ICs (PMICs) before raising the CPU clock speed, for example.
761 Enable this option to build the drivers in drivers/i2c as part of
762 an SPL build.
763
764config SPL_LIBCOMMON_SUPPORT
765 bool "Support common libraries"
Simon Glass1e3911a2016-09-13 07:05:23 -0600766 help
767 Enable support for common U-Boot libraries within SPL. These
768 libraries include common code to deal with U-Boot images,
769 environment and USB, for example. This option is enabled on many
770 boards. Enable this option to build the code in common/ as part of
771 an SPL build.
772
773config SPL_LIBDISK_SUPPORT
Simon Goldschmidt62067052018-08-16 09:44:55 +0200774 bool "Support disk partitions"
Tom Rini1794ae62018-12-05 08:23:38 -0500775 select PARTITIONS
Simon Glass1e3911a2016-09-13 07:05:23 -0600776 help
777 Enable support for disk partitions within SPL. 'Disk' is something
778 of a misnomer as it includes non-spinning media such as flash (as
779 used in MMC and USB sticks). Partitions provide a way for a disk
780 to be split up into separate regions, with a partition table placed
781 at the start or end which describes the location and size of each
782 'partition'. These partitions are typically uses as individual block
783 devices, typically with an EXT2 or FAT filesystem in each. This
784 option enables whatever partition support has been enabled in
785 U-Boot to also be used in SPL. It brings in the code in disk/.
786
787config SPL_LIBGENERIC_SUPPORT
788 bool "Support generic libraries"
Simon Glass1e3911a2016-09-13 07:05:23 -0600789 help
790 Enable support for generic U-Boot libraries within SPL. These
791 libraries include generic code to deal with device tree, hashing,
792 printf(), compression and the like. This option is enabled on many
793 boards. Enable this option to build the code in lib/ as part of an
794 SPL build.
795
Lokesh Vutla2aeb9342018-08-27 15:57:49 +0530796config SPL_DM_MAILBOX
797 bool "Support Mailbox"
Tom Rini78896ae2022-05-31 10:24:55 -0400798 depends on SPL_DM
Lokesh Vutla2aeb9342018-08-27 15:57:49 +0530799 help
800 Enable support for Mailbox within SPL. This enable the inter
801 processor communication protocols tobe used within SPL. Enable
802 this option to build the drivers in drivers/mailbox as part of
803 SPL build.
804
Roger Quadrosb576fbf2022-10-20 16:30:47 +0300805config SPL_MEMORY
806 bool "Support Memory controller drivers"
807 help
808 Enable support for Memory Controller drivers within SPL.
809 These devices provide Memory bus interface to various devices like
810 SRAM, Ethernet adapters, FPGAs, etc.
811
Simon Glassb58bfe02021-08-08 12:20:09 -0600812config SPL_MMC
Simon Glass1e3911a2016-09-13 07:05:23 -0600813 bool "Support MMC"
Tom Rini3c82f982017-05-22 19:21:57 +0000814 depends on MMC
Simon Glass1e3911a2016-09-13 07:05:23 -0600815 help
816 Enable support for MMC (Multimedia Card) within SPL. This enables
817 the MMC protocol implementation and allows any enabled drivers to
818 be used within SPL. MMC can be used with or without disk partition
819 support depending on the application (SPL_LIBDISK_SUPPORT). Enable
820 this option to build the drivers in drivers/mmc as part of an SPL
821 build.
822
Pali Rohára0811552023-01-21 15:13:08 +0100823config SYS_MMCSD_FS_BOOT
824 bool "MMC FS Boot mode"
825 depends on SPL_MMC
826 default y if !ARCH_MVEBU
827 help
828 Enable MMC FS Boot mode. Partition is selected by option
829 SYS_MMCSD_FS_BOOT_PARTITION.
830
Adam Ford98a87cf2020-07-03 10:17:30 -0500831config SYS_MMCSD_FS_BOOT_PARTITION
832 int "MMC Boot Partition"
Pali Rohára0811552023-01-21 15:13:08 +0100833 depends on SYS_MMCSD_FS_BOOT
Adam Ford98a87cf2020-07-03 10:17:30 -0500834 default 1
835 help
836 Partition on the MMC to load U-Boot from when the MMC is being
Jérôme Carreterod0a8e592022-03-15 16:34:51 -0400837 used in fs mode.
838 Use -1 as a special value to use the first bootable partition.
Adam Ford98a87cf2020-07-03 10:17:30 -0500839
Ezequiel Garcia66983182019-05-25 19:25:21 -0300840config SPL_MMC_TINY
841 bool "Tiny MMC framework in SPL"
Simon Glassb58bfe02021-08-08 12:20:09 -0600842 depends on SPL_MMC
Ezequiel Garcia66983182019-05-25 19:25:21 -0300843 help
844 Enable MMC framework tinification support. This option is useful if
845 if your SPL is extremely size constrained. Heed the warning, enable
846 this option if and only if you know exactly what you are doing, if
847 you are reading this help text, you most likely have no idea :-)
848
849 The MMC framework is reduced to bare minimum to be useful. No malloc
850 support is needed for the MMC framework operation with this option
851 enabled. The framework supports exactly one MMC device and exactly
852 one MMC driver. The MMC driver can be adjusted to avoid any malloc
853 operations too, which can remove the need for malloc support in SPL
854 and thus further reduce footprint.
855
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100856config SPL_MMC_WRITE
857 bool "MMC/SD/SDIO card support for write operations in SPL"
Simon Glassb58bfe02021-08-08 12:20:09 -0600858 depends on SPL_MMC
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100859 help
860 Enable write access to MMC and SD Cards in SPL
861
862
Simon Glass64571062021-08-08 12:20:16 -0600863config SPL_MPC8XXX_INIT_DDR
Simon Glass1e3911a2016-09-13 07:05:23 -0600864 bool "Support MPC8XXX DDR init"
Simon Glass1e3911a2016-09-13 07:05:23 -0600865 help
866 Enable support for DDR-SDRAM (double-data-rate synchronous dynamic
867 random-access memory) on the MPC8XXX family within SPL. This
868 allows DRAM to be set up before loading U-Boot into that DRAM,
869 where it can run.
870
Sean Anderson34ec1662023-11-04 16:37:47 -0400871config SPL_MTD
Simon Glass1e3911a2016-09-13 07:05:23 -0600872 bool "Support MTD drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600873 help
874 Enable support for MTD (Memory Technology Device) within SPL. MTD
875 provides a block interface over raw NAND and can also be used with
876 SPI flash. This allows SPL to load U-Boot from supported MTD
877 devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how
878 to enable specific MTD drivers.
879
Simon Glass762b9972021-07-10 21:14:27 -0600880config SPL_MUSB_NEW
Simon Glass1e3911a2016-09-13 07:05:23 -0600881 bool "Support new Mentor Graphics USB"
Simon Glass1e3911a2016-09-13 07:05:23 -0600882 help
883 Enable support for Mentor Graphics USB in SPL. This is a new
884 driver used by some boards. Enable this option to build
885 the drivers in drivers/usb/musb-new as part of an SPL build. The
886 old drivers are in drivers/usb/musb.
887
888config SPL_NAND_SUPPORT
889 bool "Support NAND flash"
Sean Anderson35f15fe2023-11-08 11:48:43 -0500890 select SPL_LOAD_BLOCK
Simon Glass1e3911a2016-09-13 07:05:23 -0600891 help
892 Enable support for NAND (Negative AND) flash in SPL. NAND flash
893 can be used to allow SPL to load U-Boot from supported devices.
Miquel Raynal1f1ae152018-08-16 17:30:07 +0200894 This enables the drivers in drivers/mtd/nand/raw as part of an SPL
Simon Glass1e3911a2016-09-13 07:05:23 -0600895 build.
896
Tom Rini2d03b912022-05-13 12:46:23 -0400897config SPL_NAND_RAW_ONLY
898 bool "Support to boot only raw u-boot.bin images"
899 depends on SPL_NAND_SUPPORT
900 help
901 Use this only if you need to save space.
902
Adam Ford3a383772020-07-03 08:09:44 -0500903config SPL_NAND_DRIVERS
904 bool "Use standard NAND driver"
905 help
906 SPL uses normal NAND drivers, not minimal drivers.
907
908config SPL_NAND_ECC
Tom Rini2d03b912022-05-13 12:46:23 -0400909 bool "Include standard ECC in SPL"
910
911config SPL_NAND_SOFTECC
912 bool "Use software ECC in SPL"
913 depends on SPL_NAND_ECC
Adam Ford3a383772020-07-03 08:09:44 -0500914
915config SPL_NAND_SIMPLE
916 bool "Support simple NAND drivers in SPL"
917 help
918 Support for NAND boot using simple NAND drivers that
919 expose the cmd_ctrl() interface.
920
Adam Ford5e56ad02020-07-03 08:09:45 -0500921config SPL_NAND_BASE
developer81670fe2022-05-20 11:23:53 +0800922 depends on SPL_NAND_SUPPORT
Adam Ford5e56ad02020-07-03 08:09:45 -0500923 bool "Use Base NAND Driver"
Michal Simek0606f9e2021-05-20 13:08:44 +0200924 help
925 Include nand_base.c in the SPL.
Adam Ford5e56ad02020-07-03 08:09:45 -0500926
927config SPL_NAND_IDENT
928 depends on SPL_NAND_BASE
929 bool "Use chip ID to identify NAND flash"
930 help
931 SPL uses the chip ID list to identify the NAND flash.
932
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200933config SPL_UBI
934 bool "Support UBI"
935 help
936 Enable support for loading payloads from UBI. See
937 README.ubispl for more info.
938
Tom Rini78896ae2022-05-31 10:24:55 -0400939menu "UBI configuration for SPL"
940 depends on SPL_UBI
Lukasz Majewski76f442982020-06-04 23:11:53 +0800941
Hamish Guthrie3ce740d2019-05-15 15:15:59 +0200942config SPL_UBI_LOAD_BY_VOLNAME
943 bool "Support loading volumes by name"
944 help
945 This enables support for loading UBI volumes by name. When this
946 is set, CONFIG_SPL_UBI_LOAD_MONITOR_VOLNAME can be used to
947 configure the volume name from which to load U-Boot.
948
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200949config SPL_UBI_MAX_VOL_LEBS
950 int "Maximum number of LEBs per volume"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200951 help
952 The maximum number of logical eraseblocks which a static volume
953 to load can contain. Used for sizing the scan data structure.
954
955config SPL_UBI_MAX_PEB_SIZE
956 int "Maximum PEB size"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200957 help
958 The maximum physical erase block size.
959
960config SPL_UBI_MAX_PEBS
961 int "Maximum number of PEBs"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200962 help
963 The maximum physical erase block size. If not overridden by
964 board code, this value will be used as the actual number of PEBs.
965
966config SPL_UBI_PEB_OFFSET
967 int "Offset to first UBI PEB"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200968 help
969 The offset in number of PEBs from the start of flash to the first
970 PEB part of the UBI image.
971
972config SPL_UBI_VID_OFFSET
973 int "Offset to VID header"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200974
975config SPL_UBI_LEB_START
976 int "Offset to LEB in PEB"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200977 help
978 The offset in bytes to the LEB within a PEB.
979
980config SPL_UBI_INFO_ADDR
981 hex "Address to place UBI scan info"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200982 help
983 Address for ubispl to place the scan info. Read README.ubispl to
984 determine the required size
985
986config SPL_UBI_VOL_IDS
987 int "Maximum volume id"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200988 help
989 The maximum volume id which can be loaded. Used for sizing the
990 scan data structure.
991
992config SPL_UBI_LOAD_MONITOR_ID
993 int "id of U-Boot volume"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200994 help
995 The UBI volume id from which to load U-Boot
996
Hamish Guthrie3ce740d2019-05-15 15:15:59 +0200997config SPL_UBI_LOAD_MONITOR_VOLNAME
998 string "volume name of U-Boot volume"
999 depends on SPL_UBI_LOAD_BY_VOLNAME
1000 help
1001 The UBI volume name from which to load U-Boot
1002
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001003config SPL_UBI_LOAD_KERNEL_ID
1004 int "id of kernel volume"
Tom Rini78896ae2022-05-31 10:24:55 -04001005 depends on SPL_OS_BOOT
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001006 help
1007 The UBI volume id from which to load the kernel
1008
1009config SPL_UBI_LOAD_ARGS_ID
1010 int "id of kernel args volume"
Tom Rini78896ae2022-05-31 10:24:55 -04001011 depends on SPL_OS_BOOT
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001012 help
1013 The UBI volume id from which to load the device tree
1014
Markus Klotzbuechercfe40f42019-05-15 15:16:00 +02001015config UBI_SPL_SILENCE_MSG
1016 bool "silence UBI SPL messages"
Markus Klotzbuechercfe40f42019-05-15 15:16:00 +02001017 help
1018 Disable messages from UBI SPL. This leaves warnings
1019 and errors enabled.
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001020
Tom Rini78896ae2022-05-31 10:24:55 -04001021endmenu
1022
1023config SPL_DM_SPI
1024 bool "Support SPI DM drivers in SPL"
1025 depends on SPL_DM
1026 help
1027 Enable support for SPI DM drivers in SPL.
1028
1029config SPL_DM_SPI_FLASH
1030 bool "Support SPI DM FLASH drivers in SPL"
1031 depends on SPL_DM
1032 help
1033 Enable support for SPI DM flash drivers in SPL.
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001034
Simon Glass041a0ac2021-08-08 12:20:30 -06001035config SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001036 bool "Support networking"
Simon Glass1e3911a2016-09-13 07:05:23 -06001037 help
1038 Enable support for network devices (such as Ethernet) in SPL.
1039 This permits SPL to load U-Boot over a network link rather than
1040 from an on-board peripheral. Environment support is required since
1041 the network stack uses a number of environment variables. See also
Simon Glasse5cd9a42021-07-10 21:14:26 -06001042 SPL_ETH.
Simon Glass1e3911a2016-09-13 07:05:23 -06001043
Simon Glass1e3911a2016-09-13 07:05:23 -06001044config SPL_NET_VCI_STRING
1045 string "BOOTP Vendor Class Identifier string sent by SPL"
Tom Rini78896ae2022-05-31 10:24:55 -04001046 depends on SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001047 help
1048 As defined by RFC 2132 the vendor class identifier field can be
1049 sent by the client to identify the vendor type and configuration
1050 of a client. This is often used in practice to allow for the DHCP
1051 server to specify different files to load depending on if the ROM,
1052 SPL or U-Boot itself makes the request
Simon Glass1e3911a2016-09-13 07:05:23 -06001053
1054config SPL_NO_CPU_SUPPORT
Tom Rini78896ae2022-05-31 10:24:55 -04001055 def_bool y
1056 depends on (ARCH_MX23 || ARCH_MX28) && !SPL_FRAMEWORK
Simon Glass1e3911a2016-09-13 07:05:23 -06001057 help
1058 This is specific to the ARM926EJ-S CPU. It disables the standard
1059 start.S start-up code, presumably so that a replacement can be
1060 used on that CPU. You should not enable it unless you know what
1061 you are doing.
1062
1063config SPL_NOR_SUPPORT
1064 bool "Support NOR flash"
Simon Glass1e3911a2016-09-13 07:05:23 -06001065 help
1066 Enable support for loading U-Boot from memory-mapped NOR (Negative
1067 OR) flash in SPL. NOR flash is slow to write but fast to read, and
1068 a memory-mapped device makes it very easy to access. Loading from
1069 NOR is typically achieved with just a memcpy().
1070
Vikas Manocha9e582652017-05-28 12:55:11 -07001071config SPL_XIP_SUPPORT
1072 bool "Support XIP"
Vikas Manocha9e582652017-05-28 12:55:11 -07001073 help
1074 Enable support for execute in place of U-Boot or kernel image. There
1075 is no need to copy image from flash to ram if flash supports execute
1076 in place. Its very useful in systems having enough flash but not
1077 enough ram to load the image.
1078
Simon Glass1e3911a2016-09-13 07:05:23 -06001079config SPL_ONENAND_SUPPORT
1080 bool "Support OneNAND flash"
Simon Glass1e3911a2016-09-13 07:05:23 -06001081 help
1082 Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is
1083 a type of NAND flash and therefore can be used to allow SPL to
1084 load U-Boot from supported devices. This enables the drivers in
1085 drivers/mtd/onenand as part of an SPL build.
1086
Heiko Schocher1d12ba22016-10-06 07:55:15 +02001087config SPL_OS_BOOT
1088 bool "Activate Falcon Mode"
Tom Rini3c82f982017-05-22 19:21:57 +00001089 depends on !TI_SECURE_DEVICE
Heiko Schocher1d12ba22016-10-06 07:55:15 +02001090 help
1091 Enable booting directly to an OS from SPL.
1092 for more info read doc/README.falcon
1093
Simon Glass259cdb42023-09-26 08:14:17 -06001094config SPL_PAYLOAD_ARGS_ADDR
Tom Rini2c9d2b52022-05-27 22:06:52 -04001095 hex "Address in memory to load 'args' file for Falcon Mode to"
1096 depends on SPL_OS_BOOT
1097 default 0x88000000 if ARCH_OMAP2PLUS
1098 help
1099 Address in memory where the 'args' file, typically a device tree
1100 will be loaded in to memory.
1101
Tom Rini9568a0e2022-05-28 16:43:53 -04001102config SYS_NAND_SPL_KERNEL_OFFS
1103 hex "Address in memory to load the OS file for Falcon mode to"
1104 depends on SPL_OS_BOOT && SPL_NAND_SUPPORT
1105
Heiko Schocher65928932016-10-06 07:55:16 +02001106config SYS_OS_BASE
1107 hex "addr, where OS is found"
Tom Rini78896ae2022-05-31 10:24:55 -04001108 depends on SPL_OS_BOOT && SPL_NOR_SUPPORT
Heiko Schocher65928932016-10-06 07:55:16 +02001109 help
1110 Specify the address, where the OS image is found, which
1111 gets booted.
1112
Alexandru Gagniuc99426c82021-12-30 10:39:59 -06001113config SPL_FALCON_BOOT_MMCSD
1114 bool "Enable Falcon boot from MMC or SD media"
1115 depends on SPL_OS_BOOT && SPL_MMC
Sean Anderson35f15fe2023-11-08 11:48:43 -05001116 select SPL_LOAD_BLOCK
Alexandru Gagniuc99426c82021-12-30 10:39:59 -06001117 help
1118 Select this if the Falcon mode OS image mode is on MMC or SD media.
1119
1120config SYS_MMCSD_RAW_MODE_KERNEL_SECTOR
1121 hex "Falcon mode: Sector to load kernel uImage from MMC"
1122 depends on SPL_FALCON_BOOT_MMCSD
1123 help
1124 When Falcon mode is used with an MMC or SD media, SPL needs to know
1125 where to look for the kernel uImage. The image is expected to begin
1126 at the raw MMC specified in this config.
1127 Note that the Falcon mode image can also be a FIT, if FIT support is
1128 enabled.
1129
Tom Rinif95c2592022-05-28 17:21:03 -04001130config SYS_MMCSD_RAW_MODE_ARGS_SECTOR
1131 hex "Falcon mode: Sector to load 'args' from MMC"
1132 depends on SPL_FALCON_BOOT_MMCSD
1133 help
1134 When Falcon mode is used with an MMC or SD media, SPL needs to know
1135 where to look for the OS 'args', typically a device tree. The
1136 contents are expected to begin at the raw MMC specified in this config.
1137 Note that if using a FIT image, this and the next option can be set to
1138 0x0.
1139
1140config SYS_MMCSD_RAW_MODE_ARGS_SECTORS
1141 hex "Falcon mode: Number of sectors to load for 'args' from MMC"
1142 depends on SPL_FALCON_BOOT_MMCSD && SYS_MMCSD_RAW_MODE_ARGS_SECTOR != 0x0
1143
York Sun53492672018-06-14 14:38:48 -07001144config SPL_PAYLOAD
1145 string "SPL payload"
1146 default "tpl/u-boot-with-tpl.bin" if TPL
1147 default "u-boot.bin"
1148 help
Chris Packham37bc3162019-01-13 22:13:20 +13001149 Payload for SPL boot. For backward compatibility, default to
York Sun53492672018-06-14 14:38:48 -07001150 u-boot.bin, i.e. RAW image without any header. In case of
1151 TPL, tpl/u-boot-with-tpl.bin. For new boards, suggest to
1152 use u-boot.img.
1153
Sekhar Nori9108d922018-12-06 15:40:08 +05301154config SPL_PCI
Simon Glass6569f3a2017-01-16 07:03:30 -07001155 bool "Support PCI drivers"
Simon Glass6569f3a2017-01-16 07:03:30 -07001156 help
1157 Enable support for PCI in SPL. For platforms that need PCI to boot,
1158 or must perform some init using PCI in SPL, this provides the
1159 necessary driver support. This enables the drivers in drivers/pci
1160 as part of an SPL build.
1161
Simon Glassff67f232021-08-08 12:20:10 -06001162config SPL_PCH
Simon Glass36258a52017-01-16 07:03:33 -07001163 bool "Support PCH drivers"
Simon Glass36258a52017-01-16 07:03:33 -07001164 help
1165 Enable support for PCH (Platform Controller Hub) devices in SPL.
1166 These are used to set up GPIOs and the SPI peripheral early in
1167 boot. This enables the drivers in drivers/pch as part of an SPL
1168 build.
1169
Simon Glass1e3911a2016-09-13 07:05:23 -06001170config SPL_POST_MEM_SUPPORT
1171 bool "Support POST drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -06001172 help
1173 Enable support for POST (Power-on Self Test) in SPL. POST is a
1174 procedure that checks that the hardware (CPU or board) appears to
1175 be functionally correctly. It is a sanity check that can be
1176 performed before booting. This enables the drivers in post/drivers
1177 as part of an SPL build.
1178
Ley Foon Tan9caf7122018-06-14 18:45:19 +08001179config SPL_DM_RESET
Patrick Delaunay329827a2018-03-12 10:46:05 +01001180 bool "Support reset drivers"
Tom Rini78896ae2022-05-31 10:24:55 -04001181 depends on SPL_DM
Patrick Delaunay329827a2018-03-12 10:46:05 +01001182 help
1183 Enable support for reset control in SPL.
1184 That can be useful in SPL to handle IP reset in driver, as in U-Boot,
1185 by using the generic reset API provided by driver model.
1186 This enables the drivers in drivers/reset as part of an SPL build.
1187
Simon Glasse91ac4c2021-07-10 21:14:24 -06001188config SPL_POWER
Simon Glass1e3911a2016-09-13 07:05:23 -06001189 bool "Support power drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -06001190 help
1191 Enable support for power control in SPL. This includes support
1192 for PMICs (Power-management Integrated Circuits) and some of the
1193 features provided by PMICs. In particular, voltage regulators can
1194 be used to enable/disable power and vary its voltage. That can be
1195 useful in SPL to turn on boot peripherals and adjust CPU voltage
1196 so that the clock speed can be increased. This enables the drivers
1197 in drivers/power, drivers/power/pmic and drivers/power/regulator
1198 as part of an SPL build.
1199
Peng Fan3775fed2018-07-27 10:20:37 +08001200config SPL_POWER_DOMAIN
1201 bool "Support power domain drivers"
Simon Glassa0e44872021-08-08 12:20:29 -06001202 select SPL_POWER
Peng Fan3775fed2018-07-27 10:20:37 +08001203 help
1204 Enable support for power domain control in SPL. Many SoCs allow
1205 power to be applied to or removed from portions of the SoC (power
1206 domains). This may be used to save power. This API provides the
1207 means to control such power management hardware. This enables
1208 the drivers in drivers/power/domain as part of a SPL build.
1209
Stefan Agnercd01e642016-12-23 07:51:53 +01001210config SPL_RAM_SUPPORT
1211 bool "Support booting from RAM"
Trevor Woerner513f6402020-05-06 08:02:41 -04001212 default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ
Stefan Agnercd01e642016-12-23 07:51:53 +01001213 help
1214 Enable booting of an image in RAM. The image can be preloaded or
1215 it can be loaded by SPL directly into RAM (e.g. using USB).
1216
Stefan Agnere2eaac12016-12-23 07:51:52 +01001217config SPL_RAM_DEVICE
1218 bool "Support booting from preloaded image in RAM"
Stefan Agnercd01e642016-12-23 07:51:53 +01001219 depends on SPL_RAM_SUPPORT
Trevor Woerner513f6402020-05-06 08:02:41 -04001220 default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ
Stefan Agnere2eaac12016-12-23 07:51:52 +01001221 help
1222 Enable booting of an image already loaded in RAM. The image has to
1223 be already in memory when SPL takes over, e.g. loaded by the boot
1224 ROM.
1225
Lokesh Vutla1a6f8e02018-08-27 15:57:53 +05301226config SPL_REMOTEPROC
1227 bool "Support REMOTEPROCS"
1228 help
1229 Enable support for REMOTEPROCs in SPL. This permits to load
1230 a remote processor firmware in SPL.
1231
Simon Glass31985312021-08-08 12:20:11 -06001232config SPL_RTC
Simon Glassb69691b2017-01-16 07:03:31 -07001233 bool "Support RTC drivers"
Simon Glassb69691b2017-01-16 07:03:31 -07001234 help
1235 Enable RTC (Real-time Clock) support in SPL. This includes support
1236 for reading and setting the time. Some RTC devices also have some
1237 non-volatile (battery-backed) memory which is accessible if
1238 needed. This enables the drivers in drivers/rtc as part of an SPL
1239 build.
1240
Simon Glass081a45a2021-08-08 12:20:17 -06001241config SPL_SATA
Simon Glass1e3911a2016-09-13 07:05:23 -06001242 bool "Support loading from SATA"
Simon Glass1e3911a2016-09-13 07:05:23 -06001243 help
1244 Enable support for SATA (Serial AT attachment) in SPL. This allows
1245 use of SATA devices such as hard drives and flash drivers for
1246 loading U-Boot. SATA is used in higher-end embedded systems and
1247 can provide higher performance than MMC , at somewhat higher
1248 expense and power consumption. This enables loading from SATA
1249 using a configured device.
1250
Tom Rinia0a6f692022-11-16 13:10:35 -05001251config SYS_SATA_FAT_BOOT_PARTITION
1252 int "Partition on the SATA disk to load U-Boot from"
1253 depends on SPL_SATA && SPL_FS_FAT
1254 default 1
1255
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001256config SPL_SATA_RAW_U_BOOT_USE_SECTOR
1257 bool "SATA raw mode: by sector"
Simon Glass081a45a2021-08-08 12:20:17 -06001258 depends on SPL_SATA
Pali Rohárcf97b822021-07-23 11:14:29 +02001259 default y if ARCH_MVEBU
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001260 help
1261 Use sector number for specifying U-Boot location on SATA disk in
1262 raw mode.
1263
1264config SPL_SATA_RAW_U_BOOT_SECTOR
1265 hex "Sector on the SATA disk to load U-Boot from"
1266 depends on SPL_SATA_RAW_U_BOOT_USE_SECTOR
Pali Rohárcf97b822021-07-23 11:14:29 +02001267 default 0x1 if ARCH_MVEBU
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001268 help
1269 Sector on the SATA disk to load U-Boot from, when the SATA disk is being
1270 used in raw mode. Units: SATA disk sectors (1 sector = 512 bytes).
1271
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301272config SPL_NVME
1273 bool "NVM Express device support"
1274 depends on BLK
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301275 select FS_LOADER
Mayuresh Chitale5d96a912023-06-03 19:32:54 +05301276 select SPL_BLK_FS
Sean Anderson35f15fe2023-11-08 11:48:43 -05001277 select SPL_LOAD_BLOCK
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301278 help
1279 This option enables support for NVM Express devices.
1280 It supports basic functions of NVMe (read/write).
1281
1282config SPL_NVME_PCI
1283 bool "NVM Express PCI device support for SPL"
1284 depends on SPL_PCI && SPL_NVME
1285 help
1286 This option enables support for NVM Express PCI devices.
1287 This allows use of NVMe devices for loading u-boot.
1288
1289config SPL_NVME_BOOT_DEVICE
1290 hex "NVMe boot device number"
1291 depends on SPL_NVME
1292 default 0x0
1293
1294config SYS_NVME_BOOT_PARTITION
1295 hex "NVMe boot partition number"
1296 depends on SPL_NVME
1297 default 0x1
1298
Simon Glassf4d60392021-08-08 12:20:12 -06001299config SPL_SERIAL
Simon Glass1e3911a2016-09-13 07:05:23 -06001300 bool "Support serial"
Alex Kiernan5b404282018-04-19 04:32:54 +00001301 select SPL_PRINTF
1302 select SPL_STRTO
Simon Glass1e3911a2016-09-13 07:05:23 -06001303 help
1304 Enable support for serial in SPL. This allows use of a serial UART
1305 for displaying messages while SPL is running. It also brings in
1306 printf() and panic() functions. This should normally be enabled
1307 unless there are space reasons not to. Even then, consider
Simon Glass7611ac62019-09-25 08:56:27 -06001308 enabling SPL_USE_TINY_PRINTF which is a small printf() version.
Simon Glass1e3911a2016-09-13 07:05:23 -06001309
Simon Glassa5820472021-08-08 12:20:14 -06001310config SPL_SPI
Simon Goldschmidt3a025332019-10-25 16:22:09 +02001311 bool "Support SPI drivers"
1312 help
1313 Enable support for using SPI in SPL. This is used for connecting
1314 to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for
1315 more details on that. The SPI driver provides the transport for
1316 data between the SPI flash and the CPU. This option can be used to
1317 enable SPI drivers that are needed for other purposes also, such
1318 as a SPI PMIC.
1319
Simon Glass1e3911a2016-09-13 07:05:23 -06001320config SPL_SPI_FLASH_SUPPORT
1321 bool "Support SPI flash drivers"
Simon Glassa5820472021-08-08 12:20:14 -06001322 depends on SPL_SPI
Simon Glass1e3911a2016-09-13 07:05:23 -06001323 help
1324 Enable support for using SPI flash in SPL, and loading U-Boot from
1325 SPI flash. SPI flash (Serial Peripheral Bus flash) is named after
1326 the SPI bus that is used to connect it to a system. It is a simple
1327 but fast bidirectional 4-wire bus (clock, chip select and two data
1328 lines). This enables the drivers in drivers/mtd/spi as part of an
Simon Glassa5820472021-08-08 12:20:14 -06001329 SPL build. This normally requires SPL_SPI.
Simon Glass1e3911a2016-09-13 07:05:23 -06001330
Vignesh R4d848c92019-02-05 11:29:20 +05301331if SPL_SPI_FLASH_SUPPORT
1332
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301333config SPL_SPI_FLASH_TINY
1334 bool "Enable low footprint SPL SPI Flash support"
1335 depends on !SPI_FLASH_BAR
Vignesh Rf53872d2019-02-05 11:29:26 +05301336 default y if SPI_FLASH
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301337 help
1338 Enable lightweight SPL SPI Flash support that supports just reading
1339 data/images from flash. No support to write/erase flash. Enable
1340 this if you have SPL size limitations and don't need full
1341 fledged SPI flash support.
1342
Vignesh R4d848c92019-02-05 11:29:20 +05301343config SPL_SPI_FLASH_SFDP_SUPPORT
1344 bool "SFDP table parsing support for SPI NOR flashes"
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301345 depends on !SPI_FLASH_BAR && !SPL_SPI_FLASH_TINY
Vignesh R4d848c92019-02-05 11:29:20 +05301346 help
1347 Enable support for parsing and auto discovery of parameters for
1348 SPI NOR flashes using Serial Flash Discoverable Parameters (SFDP)
1349 tables as per JESD216 standard in SPL.
1350
Lukasz Majewski76f442982020-06-04 23:11:53 +08001351config SPL_SPI_FLASH_MTD
1352 bool "Support for SPI flash MTD drivers in SPL"
1353 help
1354 Enable support for SPI flash MTD drivers in SPL.
1355
Marek Vasute2542252018-04-07 16:05:27 +02001356config SPL_SPI_LOAD
1357 bool "Support loading from SPI flash"
Marek Vasute2542252018-04-07 16:05:27 +02001358 help
1359 Enable support for loading next stage, U-Boot or otherwise, from
1360 SPI NOR in U-Boot SPL.
1361
Vignesh R4d848c92019-02-05 11:29:20 +05301362endif # SPL_SPI_FLASH_SUPPORT
1363
Hannes Schmelzer38df9972019-08-22 15:41:46 +02001364config SYS_SPI_U_BOOT_OFFS
1365 hex "address of u-boot payload in SPI flash"
Andre Przywarae6d9fc02020-01-06 01:29:10 +00001366 default 0x8000 if ARCH_SUNXI
Hannes Schmelzer38df9972019-08-22 15:41:46 +02001367 default 0x0
1368 depends on SPL_SPI_LOAD || SPL_SPI_SUNXI
1369 help
1370 Address within SPI-Flash from where the u-boot payload is fetched
1371 from.
1372
Faiz Abbasae1627c2017-11-14 16:12:31 +05301373config SPL_THERMAL
1374 bool "Driver support for thermal devices"
1375 help
1376 Enable support for temperature-sensing devices. Some SoCs have on-chip
1377 temperature sensors to permit warnings, speed throttling or even
1378 automatic power-off when the temperature gets too high or low. Other
1379 devices may be discrete but connected on a suitable bus.
1380
Simon Glass1ba1d4e2021-07-10 21:14:28 -06001381config SPL_WATCHDOG
Simon Glass1e3911a2016-09-13 07:05:23 -06001382 bool "Support watchdog drivers"
Marek Vasut55ec91b2019-06-09 03:46:21 +02001383 imply SPL_WDT if !HW_WATCHDOG
Simon Glass1e3911a2016-09-13 07:05:23 -06001384 help
1385 Enable support for watchdog drivers in SPL. A watchdog is
1386 typically a hardware peripheral which can reset the system when it
1387 detects no activity for a while (such as a software crash). This
1388 enables the drivers in drivers/watchdog as part of an SPL build.
1389
1390config SPL_YMODEM_SUPPORT
1391 bool "Support loading using Ymodem"
Simon Glassf4d60392021-08-08 12:20:12 -06001392 depends on SPL_SERIAL
Simon Glass1e3911a2016-09-13 07:05:23 -06001393 help
1394 While loading from serial is slow it can be a useful backup when
1395 there is no other option. The Ymodem protocol provides a reliable
1396 means of transmitting U-Boot over a serial line for using in SPL,
1397 with a checksum to ensure correctness.
1398
Philipp Tomsichf6618812017-09-13 21:29:36 +02001399config SPL_ATF
Kever Yang6e79a912017-05-05 11:47:45 +08001400 bool "Support ARM Trusted Firmware"
Samuel Holland27b77832022-10-30 23:26:19 -05001401 depends on ARM64
1402 depends on SPL_LOAD_FIT && !SPL_FIT_IMAGE_TINY
Kever Yang6e79a912017-05-05 11:47:45 +08001403 help
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001404 ATF(ARM Trusted Firmware) is a component for ARM AArch64 which
1405 is loaded by SPL (which is considered as BL2 in ATF terminology).
Kever Yang6e79a912017-05-05 11:47:45 +08001406 More detail at: https://github.com/ARM-software/arm-trusted-firmware
1407
Michael Walleafaf6ea2020-11-18 17:45:58 +01001408config SPL_ATF_LOAD_IMAGE_V2
1409 bool "Use the new LOAD_IMAGE_V2 parameter passing"
1410 depends on SPL_ATF
1411 help
1412 Some platforms use the newer LOAD_IMAGE_V2 parameter passing.
1413
1414 If you want to load a bl31 image from the SPL and need the new
1415 method, say Y.
1416
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001417config SPL_ATF_NO_PLATFORM_PARAM
Michal Simek0606f9e2021-05-20 13:08:44 +02001418 bool "Pass no platform parameter"
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001419 depends on SPL_ATF
1420 help
1421 While we expect to call a pointer to a valid FDT (or NULL)
1422 as the platform parameter to an ATF, some ATF versions are
1423 not U-Boot aware and have an insufficiently robust parameter
1424 validation to gracefully reject a FDT being passed.
1425
1426 If this option is enabled, the spl_atf os-type handler will
1427 always pass NULL for the platform parameter.
1428
1429 If your ATF is affected, say Y.
1430
Alex Kiernan10238ef2018-03-15 22:11:46 +00001431config SPL_AM33XX_ENABLE_RTC32K_OSC
1432 bool "Enable the RTC32K OSC on AM33xx based platforms"
Tom Rini78896ae2022-05-31 10:24:55 -04001433 depends on AM33XX
Alex Kiernan10238ef2018-03-15 22:11:46 +00001434 default y if AM33XX
1435 help
1436 Enable access to the AM33xx RTC and select the external 32kHz clock
1437 source.
1438
Patrick Delaunaya7ca4802021-09-02 11:56:16 +02001439config SPL_OPTEE_IMAGE
1440 bool "Support OP-TEE Trusted OS image in SPL"
Kever Yanga28d42c2018-08-23 17:17:59 +08001441 depends on ARM
Jagan Teki9bd34ac2022-11-03 11:49:47 +05301442 depends on SPL_LOAD_FIT || SPL_LOAD_FIT_FULL
Kever Yanga28d42c2018-08-23 17:17:59 +08001443 help
Patrick Delaunaya7ca4802021-09-02 11:56:16 +02001444 OP-TEE is an open source Trusted OS which is loaded by SPL.
Kever Yanga28d42c2018-08-23 17:17:59 +08001445 More detail at: https://github.com/OP-TEE/optee_os
1446
Lukas Auer515b9342019-08-21 21:14:44 +02001447config SPL_OPENSBI
1448 bool "Support RISC-V OpenSBI"
1449 depends on RISCV && SPL_RISCV_MMODE && RISCV_SMODE
Samuel Holland27b77832022-10-30 23:26:19 -05001450 depends on SPL_LOAD_FIT && !SPL_FIT_IMAGE_TINY
Lukas Auer515b9342019-08-21 21:14:44 +02001451 help
1452 OpenSBI is an open-source implementation of the RISC-V Supervisor Binary
1453 Interface (SBI) specification. U-Boot supports the OpenSBI FW_DYNAMIC
1454 firmware. It is loaded and started by U-Boot SPL.
1455
1456 More details are available at https://github.com/riscv/opensbi and
1457 https://github.com/riscv/riscv-sbi-doc
1458
1459config SPL_OPENSBI_LOAD_ADDR
1460 hex "OpenSBI load address"
1461 depends on SPL_OPENSBI
1462 help
1463 Load address of the OpenSBI binary.
1464
Nikita Shubind3d68062022-08-08 13:28:52 +03001465config SPL_OPENSBI_SCRATCH_OPTIONS
1466 hex "Scratch options passed to OpenSBI"
1467 default 0x1
1468 depends on SPL_OPENSBI
1469 help
Heinrich Schuchardta3587892023-07-04 02:14:21 +02001470 This bitmap of options is passed from U-Boot SPL to OpenSBI.
1471 As of OpenSBI 1.3 the following bits are defined:
1472 - SBI_SCRATCH_NO_BOOT_PRINTS = 0x1 (Disable prints during boot)
1473 - SBI_SCRATCH_DEBUG_PRINTS = 0x2 (Enable runtime debug prints)
Nikita Shubind3d68062022-08-08 13:28:52 +03001474
Tom Rini06d06f72022-05-27 17:13:52 -04001475config SPL_TARGET
1476 string "Addtional build targets for 'make'"
1477 default "spl/u-boot-spl.srec" if RCAR_GEN2
1478 default "spl/u-boot-spl.scif" if RCAR_GEN3
1479 default ""
1480 help
1481 On some platforms we need to have 'make' run additional build target
1482 rules. If required on your platform, enter it here, otherwise leave blank.
1483
Tom Rini2aa5e502022-05-30 17:11:23 -04001484
1485config SPL_AT91_MCK_BYPASS
1486 bool "Use external clock signal as a source of main clock for AT91 platforms"
1487 depends on ARCH_AT91
1488 help
1489 Use external 8 to 24 Mhz clock signal as source of main clock instead
1490 of an external crystal oscillator.
1491 This option disables the internal driving on the XOUT pin.
1492 The external source has to provide a stable clock on the XIN pin.
1493 If this option is disabled, the SoC expects a crystal oscillator
1494 that needs driving on both XIN and XOUT lines.
1495endmenu
1496
Tom Rini3c82f982017-05-22 19:21:57 +00001497config TPL
Tom Rini3c82f982017-05-22 19:21:57 +00001498 depends on SUPPORT_TPL
Tom Rini2aa5e502022-05-30 17:11:23 -04001499 bool "Enable TPL"
Tom Rini3c82f982017-05-22 19:21:57 +00001500 help
1501 If you want to build TPL as well as the normal image and SPL, say Y.
1502
Tom Rini0d989c82022-05-30 17:01:22 -04001503source "common/spl/Kconfig.tpl"
Tom Rini3c82f982017-05-22 19:21:57 +00001504
Simon Glasse7ca7da2022-04-30 00:56:53 -06001505config VPL
Simon Glasse7ca7da2022-04-30 00:56:53 -06001506 depends on SUPPORT_SPL
Tom Rini2aa5e502022-05-30 17:11:23 -04001507 bool "Enable VPL"
Simon Glasse7ca7da2022-04-30 00:56:53 -06001508 help
1509 If you want to build VPL as well as the normal image, TPL and SPL,
1510 say Y.
1511
Tom Rini0d989c82022-05-30 17:01:22 -04001512source "common/spl/Kconfig.vpl"